List of Award of Garden Merit rhododendrons

The following is a list of rhododendron cultivars and species which have gained the Royal Horticultural Society's Award of Garden Merit. They are mostly hardy evergreen shrubs with abundant, brilliantly-coloured, trumpet-shaped flowers, often in large spherical trusses. The group known as azaleas are often (but not always) more compact with smaller flowers and leaves, and may be evergreen (subgenus Tsutsuji) or deciduous (subgenus Pentanthera). Most rhododendrons bloom for a short period in late spring (April to May in the temperate Northern Hemisphere). They are seen at their best in a woodland setting with light dappled shade, in humus-rich acid soil.[1]

Maximum dimensions are shown in metres.

name species type colour Height Spread
R. calophytum[2] pink (pale) 8.0 8.0
R. davidsonianum[3] pink (pale) 4.0 2.5
R. decorum[4] white 8.0 2.5
R. falconeri[5] white 12.0 4.0
R. fulvum[6] pink 4.0 4.0
R. luteum[7] deciduous azalea yellow 4.0 4.0
R. macabeanum[8] yellow 12.0 12.0
R. makinoi[9] pink 2.5 2.5
R. orbiculare[10] pink (rose) 2.5 2.5
Rhododendron pachysanthum[11] pink (pale) 1.5 2.5
R. pseudochrysanthum[12] pink (pale) 2.5 2.5
R. racemosum[13] white/pink 2.5 2.5
R. rex subsp. fictolacteum[14] white (cream) 12.0 8.0
R. rex subsp. rex[15] white (cream) 12.0 8.0
R. sinogrande[16] yellow 12.0 8.0
R. viscosum[17] white/pink 2.5 2.5
R. williamsianum[18] pink (rose) 1.5 1.5
'Albert Schweitzer'[19] pink (pale) 4.0 2.5
'Alexander'[20] evergreen azalea orange 0.5 0.5
'Alice'[21] rose pink 2.5 2.5
'Bashful'[22] pink (pale) 1.5 1.5
'Berryrose'[23] deciduous azalea salmon pink 2.5 1.5
'Blaauw's Pink'[24] evergreen azalea salmon pink 1.0 1.0
'Blewbury'[25] white 1.5 1.5
'Blue Danube'[26] evergreen azalea blue (violet) 2.5 1.5
'Blue Peter'[27] blue (violet) 2.5 2.5
'Bouquet de Flore'[28] deciduous azalea pink/yellow 2.5 1.5
R. bureavii[29] pink/white 2.5 2.5
'Canzonetta'[30] evergreen azalea rose pink 1.0 1.0
'Cecile'[31] deciduous azalea salmon pink/yellow 2.5 2.5
'Chinese Silver'[32] R. argyrophyllum subsp. nankingense pink 4.0 2.5
'Cilpinense'[33] pink (pale) 1.1 1.1
'Cornell Pink'[34] R. mucronulatum deciduous pink (pale) 2.5 1.5
'Crane'[35] white 1.0 1.0
'Crest'[36] yellow (pale) 4.0 4.0
'Curlew'[37] yellow (pale) 0.5 0.5
'Cynthia'[38] rose-pink 8.0 8.0
'Daviesii'[39] deciduous azalea white/yellow 1.5 1.5
'Dopey'[40] red (crimson) 2.5 2.5
'Dora Amateis'[41] white 1.0 1.0
'Dreamland'[42] pink (pale) 1.5 1.0
'Egret'[43] white 0.5 1.0
'Elisabeth Hobbie'[44] red (crimson) 0.8 0.8
'Elsie Lee'[45] purple 1.0 1.0
'Faggeter's Favourite'[46] white/pink 2.5 2.5
'Fantastica'[47] red/white 1.0 1.0
'Fastuosum Flore Pleno'[48] blue 4.0 4.0
'Fireball'[49] deciduous azalea red (scarlet) 2.5 2.5
'Furnivall's Daughter'[50] pink/maroon 4.0 4.0
'Gartendirektor Rieger'[51] pink (pale) 1.5 1.5
'Gibraltar'[52] deciduous azalea yellow/red 1.5 1.5
'Ginny Gee'[53] pink (pale) 0.5 1.0
'Golden Torch'[54] yellow (pale) 1.5 1.5
'Goldkrone'[55] yellow 1.5 1.5
'Gomer Waterer'[56] pink/yellow 2.5 2.5
'Gristede'[57] blue 1.0 1.0
'Hachmann's Marlis'[58] pink (rose) 1.5 1.5
'Hachmann's Polaris'[59] pink (purple) 1.5 1.5
'Hino-crimson'[60] evergreen azalea crimson 0.5 0.5
'Hinomayo'[61] pink (pale) 1.0 1.0
'Hotspur Red'[62] red (scarlet) 1.5 1.5
'Hydon Dawn'[63] pink (pale) 1.5 1.5
'Hydon Hunter'[64] pink (rose) 1.5 1.5
'Johanna'[65] evergreen azalea red (carmine) 1.0 1.0
'Kate Waterer'[66] pink (rose) 2.5 2.5
'Klondyke'[67] deciduous azalea orange/yellow 2.5 2.5
'Kluis Sensation'[68] red (scarlet) 2.5 2.5
'Koichiro Wada'[69] R. yakushimanum white 1.5 1.5
'Lady Clementine Mitford'[70] pink (peach) 2.5 2.5
'Lavender Girl'[71] pink (mauve) 2.5 2.5
'Lem's Cameo'[72] pink/red 2.5 2.5
'Lem's Monarch'[73] pink/white 2.5 2.5
'Loder's White'[74] white 2.5 2.5
'Loderi King George'[75] pink (pale) 4.0 4.0
'Loderi Pink Diamond'[76] pink (pale) 4.0 4.0
'Lord Roberts'[77] red (crimson) 2.5 2.5
'Markeeta's Prize'[78] red (scarlet) 2.5 2.5
'Merganser'[79] yellow (primrose) 1.0 1.0
'Mid-winter'[80] R. dauricum purple 1.5 1.5
'Moerheim'[81] blue (violet) 1.0 1.0
'Mother's Day'[82] evergreen azalea red (crimson) 0.7 0.7
'Mrs A.T. de la Mare'[83] white 2.5 2.5
'Mrs Charles E. Pearson'[84] pink (pale) 4.0 2.5
'Mrs Furnivall'[85] pink (rose) 2.5 2.5
'Mrs T.H. Lowinsky'[86] white/orange 2.5 2.5
'Nancy Evans'[87] yellow 1.5 1.5
'Nancy Waterer'[88] yellow 2.5 2.5
'Niagara'[89] evergreen azalea white 0.6 0.6
'Olga'[90] yellow/pink 1.5 1.5
'Openwood'[91] R. yunnanense pink (pale) 8.0 4.0
'Palestrina'[92] evergreen azalea white 0.5 1.0
'Panda'[93] yellow/pink 1.5 1.5
'Patty Bee'[94] yellow (pale) 1.0 1.0
'Penheale Blue'[95] yellow (pale) 1.0 1.0
'Percy Wiseman'[96] white (cream) 2.5 2.5
'Persil'[97] deciduous azalea white/yellow 2.5 1.5
'Pink Cherub'[98] pink 1.5 1.5
'Pink Pancake'[99] pink (salmon) 0.5 1.5
'Praecox'[100] pink (rose) 1.5 1.5
'Princess Anne'[101] yellow (pale) 1.0 1.0
'Ptarmigan'[102] white 0.9 0.9
'Ramapo'[103] purple (violet) 1.0 1.0
'Razorbill'[104] pink (rose) 1.5 1.5
'Renoir'[105] pink (rose) 1.5 1.5
'Rock Rose'[106] R. racemosum pink 1.5 1.5
'Rosata'[107] deciduous azalea pink (rose) 4.0 2.5
'Saint Merryn'[108] blue (violet) 4.0 2.5
'Satan'[109] red (scarlet) 2.5 2.5
'Scarlet Wonder'[110] red (scarlet) 1.5 1.5
'Silver Slipper'[111] white/yellow 2.5 2.5
'Squirrel'[112] evergreen azalea orange 1.0 1.0
'Strawberry Ice'[113] deciduous azalea pink/orange 2.5 2.5
'The Honourable Jean Marie de Montague'[114] red (crimson) 2.5 2.5
'Tidbit'[115] yellow (cream) 1.0 1.5
'Tortoiseshell Wonder'[116] salmon pink 2.5 2.5
'Vintage Rosé'[117] pink (rose) 1.0 1.0
'Vulcan'[118] red (scarlet) 1.5 1.5
'Vuyk's Rosyred'[119] pink (rose) 1.0 1.5
'Vuyk's Scarlet'[120] red (scarlet) 1.0 1.5
'Wee Bee'[121] pink/red 0.5 1.0
'White Lights'[122] white 1.5 1.5
'Yaku Fairy'[123] R. keiskei var. ozawae yellow (lemon) 0.5 1.0

See also

References

  1. ↑ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  2. ↑ "RHS Plant Selector - Rhododendron calophytum". Retrieved 1 July 2013.
  3. ↑ "RHS Plant Selector - Rhododendron davidsonianum". Retrieved 1 July 2013.
  4. ↑ "RHS Plant Selector - Rhododendron decorum". Retrieved 1 July 2013.
  5. ↑ "RHS Plant Selector - Rhododendron falconeri". Retrieved 1 July 2013.
  6. ↑ "RHS Plant Selector - Rhododendron fulvum". Retrieved 1 July 2013.
  7. ↑ "RHS Plant Selector - Rhododendron luteum". Retrieved 1 July 2013.
  8. ↑ "RHS Plant Selector - Rhododendron macabeanum". Retrieved 1 July 2013.
  9. ↑ "RHS Plant Selector - Rhododendron makinoi". Retrieved 1 July 2013.
  10. ↑ "RHS Plant Selector - Rhododendron orbiculare". Retrieved 1 July 2013.
  11. ↑ "RHS Plant Selector - Rhododendron pachysanthum". Retrieved 1 July 2013.
  12. ↑ "RHS Plant Selector - Rhododendron pseudochrysanthum". Retrieved 1 July 2013.
  13. ↑ "RHS Plant Selector - Rhododendron racemosum". Retrieved 1 July 2013.
  14. ↑ "RHS Plant Selector - Rhododendron rex subsp. fictolacteum". Retrieved 1 July 2013.
  15. ↑ "RHS Plant Selector - Rhododendron rex subsp. rex". Retrieved 1 July 2013.
  16. ↑ "RHS Plant Selector - Rhododendron sinogrande". Retrieved 1 July 2013.
  17. ↑ "RHS Plant Selector - Rhododendron viscosum". Retrieved 1 July 2013.
  18. ↑ "RHS Plant Selector - Rhododendron williamsianum". Retrieved 1 July 2013.
  19. ↑ "RHS Plant Selector - Rhododendron 'Albert Schweitzer'". Retrieved 2 July 2013.
  20. ↑ "RHS Plant Selector - Rhododendron 'Alexander'". Retrieved 2 July 2013.
  21. ↑ "RHS Plant Selector - Rhododendron 'Alice'". Retrieved 2 July 2013.
  22. ↑ "RHS Plant Selector - Rhododendron 'Bashful'". Retrieved 2 July 2013.
  23. ↑ "RHS Plant Selector - Rhododendron 'Berryrose'". Retrieved 2 July 2013.
  24. ↑ "RHS Plant Selector - Rhododendron 'Blaauw's Pink'". Retrieved 2 July 2013.
  25. ↑ "RHS Plant Selector - Rhododendron 'Blewbury'". Retrieved 2 July 2013.
  26. ↑ "RHS Plant Selector - Rhododendron 'Blue Danube'". Retrieved 2 July 2013.
  27. ↑ "RHS Plant Selector - Rhododendron 'Blue Peter'". Retrieved 2 July 2013.
  28. ↑ "RHS Plant Selector - Rhododendron 'Bouquet de Flore'". Retrieved 2 July 2013.
  29. ↑ "RHS Plant Selector - Rhododendron bureavii". Retrieved 2 July 2013.
  30. ↑ "RHS Plant Selector - Rhododendron 'Canzonetta'". Retrieved 2 July 2013.
  31. ↑ "RHS Plant Selector - Rhododendron 'Cecile'". Retrieved 2 July 2013.
  32. ↑ "RHS Plant Selector - Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'". Retrieved 2 July 2013.
  33. ↑ "RHS Plant Selector - Rhododendron 'Cilpinense'". Retrieved 3 July 2013.
  34. ↑ "RHS Plant Selector - Rhododendron mucronulatum 'Cornell Pink'". Retrieved 3 July 2013.
  35. ↑ "RHS Plant Selector - Rhododendron 'Crane'". Retrieved 3 July 2013.
  36. ↑ "RHS Plant Selector - Rhododendron (Hawk Group) 'Cilpinense'". Retrieved 3 July 2013.
  37. ↑ "RHS Plant Selector - Rhododendron 'Curlew'". Retrieved 3 July 2013.
  38. ↑ "RHS Plant Selector - Rhododendron 'Cynthia'". Retrieved 3 July 2013.
  39. ↑ "RHS Plant Selector - Rhododendron 'Cilpinense'". Retrieved 3 July 2013.
  40. ↑ "RHS Plant Selector - Rhododendron 'Dopey'". Retrieved 3 July 2013.
  41. ↑ "RHS Plant Selector - Rhododendron 'Dora Amateis'". Retrieved 3 July 2013.
  42. ↑ "RHS Plant Selector - Rhododendron 'Dreamland'". Retrieved 3 July 2013.
  43. ↑ "RHS Plant Selector - Rhododendron 'Egret'". Retrieved 3 July 2013.
  44. ↑ "RHS Plant Selector - Rhododendron 'Elisabeth Hobbie'". Retrieved 3 July 2013.
  45. ↑ "RHS Plant Selector - Rhododendron 'Elsie Lee'". Retrieved 3 July 2013.
  46. ↑ "RHS Plant Selector - Rhododendron 'Faggeter's Favourite'". Retrieved 3 July 2013.
  47. ↑ "RHS Plant Selector - Rhododendron 'Fantastica'". Retrieved 3 July 2013.
  48. ↑ "RHS Plant Selector - Rhododendron 'Fastuosum Flore Pleno'". Retrieved 3 July 2013.
  49. ↑ "RHS Plant Selector - Rhododendron 'Fireball'". Retrieved 3 July 2013.
  50. ↑ "RHS Plant Selector - Rhododendron 'Furnivall's Daughter'". Retrieved 3 July 2013.
  51. ↑ "RHS Plant Selector - Rhododendron 'Gartendirektor Rieger'". Retrieved 3 July 2013.
  52. ↑ "RHS Plant Selector - Rhododendron 'Gibraltar'". Retrieved 3 July 2013.
  53. ↑ "RHS Plant Selector - Rhododendron 'Ginny Gee'". Retrieved 3 July 2013.
  54. ↑ "RHS Plant Selector - Rhododendron 'Golden Torch'". Retrieved 3 July 2013.
  55. ↑ "RHS Plant Selector - Rhododendron 'Fireball'". Retrieved 3 July 2013.
  56. ↑ "RHS Plant Selector - Rhododendron 'Gomer Waterer'". Retrieved 3 July 2013.
  57. ↑ "RHS Plant Selector - Rhododendron 'Gristede'". Retrieved 3 July 2013.
  58. ↑ "RHS Plant Selector - Rhododendron 'Hachmann's Marlis'". Retrieved 3 July 2013.
  59. ↑ "RHS Plant Selector - Rhododendron 'Hachmann's Polaris'". Retrieved 3 July 2013.
  60. ↑ "RHS Plant Selector - Rhododendron 'Hino-Crimson'". Retrieved 3 July 2013.
  61. ↑ "RHS Plant Selector - Rhododendron (obtusum group) 'Hinomayo'". Retrieved 3 July 2013.
  62. ↑ "RHS Plant Selector - Rhododendron (Hotspur Group) 'Hotspur Red'". Retrieved 3 July 2013.
  63. ↑ "RHS Plant Selector - Rhododendron 'Hydon Dawn'". Retrieved 3 July 2013.
  64. ↑ "RHS Plant Selector - Rhododendron 'Hydon Hunter'". Retrieved 3 July 2013.
  65. ↑ "RHS Plant Selector - Rhododendron 'Johanna'". Retrieved 3 July 2013.
  66. ↑ "RHS Plant Selector - Rhododendron 'Kate Waterer'". Retrieved 3 July 2013.
  67. ↑ "RHS Plant Selector - Rhododendron 'Klondyke'". Retrieved 3 July 2013.
  68. ↑ "RHS Plant Selector - Rhododendron 'Kluis Sensation'". Retrieved 3 July 2013.
  69. ↑ "RHS Plant Selector - Rhododendron yakushimanum 'Koichiro Wada'". Retrieved 3 July 2013.
  70. ↑ "RHS Plant Selector - Rhododendron 'Lady Clementine Mitford'". Retrieved 3 July 2013.
  71. ↑ "RHS Plant Selector - Rhododendron 'Lavender Girl'". Retrieved 3 July 2013.
  72. ↑ "RHS Plant Selector - Rhododendron 'Lem's Cameo'". Retrieved 3 July 2013.
  73. ↑ "RHS Plant Selector - Rhododendron 'Lem's Monarch'". Retrieved 3 July 2013.
  74. ↑ "RHS Plant Selector - Rhododendron 'Loder's White'". Retrieved 3 July 2013.
  75. ↑ "RHS Plant Selector - Rhododendron 'Loderi King George'". Retrieved 3 July 2013.
  76. ↑ "RHS Plant Selector - Rhododendron 'Loderi Pink Diamond'". Retrieved 3 July 2013.
  77. ↑ "RHS Plant Selector - Rhododendron 'Lord Roberts'". Retrieved 3 July 2013.
  78. ↑ "RHS Plant Selector - Rhododendron 'Markeeta's Prize'". Retrieved 3 July 2013.
  79. ↑ "RHS Plant Selector - Rhododendron 'Merganser'". Retrieved 3 July 2013.
  80. ↑ "RHS Plant Selector - Rhododendron dauricum 'Mid-winter'". Retrieved 3 July 2013.
  81. ↑ "RHS Plant Selector - Rhododendron 'Moerheim'". Retrieved 3 July 2013.
  82. ↑ "RHS Plant Selector - Rhododendron 'Mother's Day'". Retrieved 3 July 2013.
  83. ↑ "RHS Plant Selector - Rhododendron 'Mrs A.T. de la Mare'". Retrieved 3 July 2013.
  84. ↑ "RHS Plant Selector - Rhododendron 'Mrs Charles E. Pearson'". Retrieved 3 July 2013.
  85. ↑ "RHS Plant Selector - Rhododendron 'Mrs Furnivall'". Retrieved 3 July 2013.
  86. ↑ "RHS Plant Selector - Rhododendron 'Mrs T.H. Lowinsky'". Retrieved 3 July 2013.
  87. ↑ "RHS Plant Selector - Rhododendron 'Nancy Evans'". Retrieved 3 July 2013.
  88. ↑ "RHS Plant Selector - Rhododendron 'Nancy Waterer'". Retrieved 3 July 2013.
  89. ↑ "RHS Plant Selector - Rhododendron 'Niagara'". Retrieved 3 July 2013.
  90. ↑ "RHS Plant Selector - Rhododendron 'Olga'". Retrieved 3 July 2013.
  91. ↑ "RHS Plant Selector - Rhododendron yunnanense 'Openwood'". Retrieved 3 July 2013.
  92. ↑ "RHS Plant Selector - Rhododendron yunnanense 'Palestrina'". Retrieved 3 July 2013.
  93. ↑ "RHS Plant Selector - Rhododendron 'Panda'". Retrieved 3 July 2013.
  94. ↑ "RHS Plant Selector - Rhododendron 'Patty Bee'". Retrieved 3 July 2013.
  95. ↑ "RHS Plant Selector - Rhododendron 'Penheale Blue'". Retrieved 3 July 2013.
  96. ↑ "RHS Plant Selector - Rhododendron 'Percy Wiseman'". Retrieved 3 July 2013.
  97. ↑ "RHS Plant Selector - Rhododendron 'Persil'". Retrieved 3 July 2013.
  98. ↑ "RHS Plant Selector - Rhododendron 'Pink Cherub'". Retrieved 3 July 2013.
  99. ↑ "RHS Plant Selector - Rhododendron 'Pink Pancake'". Retrieved 3 July 2013.
  100. ↑ "RHS Plant Selector - Rhododendron 'Praecox'". Retrieved 3 July 2013.
  101. ↑ "RHS Plant Selector - Rhododendron 'Princess Anne'". Retrieved 3 July 2013.
  102. ↑ "RHS Plant Selector - Rhododendron 'Ptarmigan'". Retrieved 3 July 2013.
  103. ↑ "RHS Plant Selector - Rhododendron 'Ramapo'". Retrieved 3 July 2013.
  104. ↑ "RHS Plant Selector - Rhododendron 'Ramapo'". Retrieved 3 July 2013.
  105. ↑ "RHS Plant Selector - Rhododendron 'Renoir'". Retrieved 3 July 2013.
  106. ↑ "RHS Plant Selector - Rhododendron racemosum 'Rock Rose'". Retrieved 3 July 2013.
  107. ↑ "RHS Plant Selector - Rhododendron 'Rosata'". Retrieved 3 July 2013.
  108. ↑ "RHS Plant Selector - Rhododendron 'Saint Merryn'". Retrieved 3 July 2013.
  109. ↑ "RHS Plant Selector - Rhododendron 'Satan'". Retrieved 3 July 2013.
  110. ↑ "RHS Plant Selector - Rhododendron 'Scarlet Wonder'". Retrieved 3 July 2013.
  111. ↑ "RHS Plant Selector - Rhododendron 'Silver Slipper'". Retrieved 3 July 2013.
  112. ↑ "RHS Plant Selector - Rhododendron 'Squirrel'". Retrieved 3 July 2013.
  113. ↑ "RHS Plant Selector - Rhododendron 'Strawberry Ice'". Retrieved 3 July 2013.
  114. ↑ "RHS Plant Selector - Rhododendron 'The Honourable Jean Marie de Montague'". Retrieved 5 July 2013.
  115. ↑ "RHS Plant Selector - Rhododendron 'Tidbit'". Retrieved 3 July 2013.
  116. ↑ "RHS Plant Selector - Rhododendron 'Tortoiseshell Wonder'". Retrieved 3 July 2013.
  117. ↑ "RHS Plant Selector - Rhododendron 'Vintage Rosé'". Retrieved 3 July 2013.
  118. ↑ "RHS Plant Selector - Rhododendron 'Vulcan'". Retrieved 3 July 2013.
  119. ↑ "RHS Plant Selector - Rhododendron 'Vuyk's Rosyred'". Retrieved 3 July 2013.
  120. ↑ "RHS Plant Selector - Rhododendron 'Vuyk's Scarlet'". Retrieved 3 July 2013.
  121. ↑ "RHS Plant Selector - Rhododendron 'Wee Bee'". Retrieved 3 July 2013.
  122. ↑ "RHS Plant Selector - Rhododendron 'White Lights'". Retrieved 3 July 2013.
  123. ↑ "RHS Plant Selector - Rhododendron keiskei var. ozawae 'Yaku Fairy'". Retrieved 3 July 2013.
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